<!DOCTYPE html>
<html>

<head>
    <title>mspace</title>
</head>

<body>

  <div style="position: absolute;
              top: 0; left: 0;
              width: 50px; height: 6em;
              background: red;"></div>

  <div style="position: absolute;
              top: 2em; left: 50px;
              width: 40px; height: 3em;
              background: green;"></div>

  <div style="position: absolute;
              top: 1em; left: 90px;
              width: 30px; height: 3em;
              background: blue;"></div>

</body>

</html>
